Everflow Sammys 8152910 XPDB 25/64 Inch Drill Bit Express Tool, Anchors for Metal Deck, Purlin & Tubular Steel, Direct Vertical Attachment Steel Made in US Allows for drilling then driving the product into metal deck, purlin, or tubular steel Works with Sammy X-Press IT installation tool (not included) Reduces over-torque and prevents screw failure Reduces installation time and cost Steel made in USA